commit 1cd48efa96bc677bfbf7111bd116d092521c3914 · pyrox.dev/nixpkgs

+24
lib/generators.nix
···

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       ${expr "" v}

     

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       </plist>'';

     

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         /* Translate a simple Nix expression to Dhall notation.

     

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          * Note that integers are translated to Integer and never

     

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          * the Natural type.

     

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         */

     

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         toDhall = { }@args: v:

     

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           with builtins;

     

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           let concatItems = lib.strings.concatStringsSep ", ";

     

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           in if isAttrs v then

     

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             "{ ${

     

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               concatItems (lib.attrsets.mapAttrsToList

     

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                 (key: value: "${key} = ${toDhall args value}") v)

     

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             } }"

     

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           else if isList v then

     

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             "[ ${concatItems (map (toDhall args) v)} ]"

     

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           else if isInt v then

     

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             "${if v < 0 then "" else "+"}${toString v}"

     

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           else if isBool v then

     

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             (if v then "True" else "False")

     

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           else if isFunction v then

     

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             abort "generators.toDhall: cannot convert a function to Dhall"

     

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           else if isNull v then

     

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             abort "generators.toDhall: cannot convert a null to Dhall"

     

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           else

     

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             builtins.toJSON v;

     

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       }